Consider the function f(x) = √(x - 1). What is the domain of this function? A. x ≥ 1 B. x > 1 C. x ≥ 0 D. x > 0 相关知识点: 试题来源: 解析 A。因为根号下的数必须非负,所以 x - 1 ≥ 0,即 x ≥ 1,A 选项正确。
What is the domain of the function shown?f(x)=3+2(x^2) ( )A. \(x∣ x=0\)B. \(x∣ x≠q0\)
Domain:The domain of a function simply tells us the interval in which the function has defined the x-axis. In order to find the domain of a function, we have to first analyze the form of the given function and identify its type. Each type of function has its characteristics for th...
百度试题 结果1 题目What is the domain of f(x) = e?A. all real numbers B. all integers C. {x|x ≤ 0} D. {x|x ≥ 0} 相关知识点: 试题来源: 解析 A 反馈 收藏
百度试题 结果1 题目What is the function of a modem? A. To connect to the internet B. To store data C. To process calculations D. To play music 相关知识点: 试题来源: 解析 A. To connect to the internet 反馈 收藏
What is the domain and range of the function graphed below? ( )y=x^2-3 A. D=\( x∣ -∞ < x<∞ \); R=\( y∣ y≤q -3\) B. D=\( x∣ -∞ < x<∞\); R=\( y∣ y≥ -3\) C. D=\( x∣ -3≤ x≤ 3\); R=\( y∣ -3≤ y≤ 6\) D. D=\( x∣ -3...
Given the following graph, what is the domain and range of the function? ( ) A. D=\( x∈ R|x≥q 0\) R=\( y∈ R\) B. D=\( x∈ R\) R=\( y∈ R/y≥q 0\) C. D=\( x∈ R\) R=\( y∈ R\) D. D=\( x∈ R/x≥q 0\) R=\( y∈ R/y≥q 0\) ...
I’ll bet that you tend to wash yourself the same way each time you take a shower. If so much of what we do in a day is made up of habits we formed without realizing it, why does it seem so hard to change habits or create new ones?
A. To present the main idea. B. To provide examples. C. To summarize the content. D. To attract the reader's attention. 相关知识点: 试题来源: 解析 D。文章的引言部分主要是为了吸引读者的注意力,引出主题,而不是直接呈现主要观点、提供例子或总结内容。反馈...
What is the function of the conclusion? A. Introduce the topic B. Provide details C. Summarize the main points D. Give E. xamples 相关知识点: 试题来源: 解析 C。解析:结论的作用是总结文章的主要观点。引言部分引入主题,主体部分提供细节和例子。